242673404977 has 2 divisors, whose sum is σ = 242673404978. Its totient is φ = 242673404976.

The previous prime is 242673404969. The next prime is 242673405019. The reversal of 242673404977 is 779404376242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176279060736 + 66394344241 = 419856^2 + 257671^2 .

It is a cyclic number.

It is not a de Polignac number, because 242673404977 - 2³ = 242673404969 is a prime.

It is not a weakly prime, because it can be changed into another prime (242673404957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121336702488 + 121336702489.

It is an arithmetic number, because the mean of its divisors is an integer number (121336702489).

Almost surely, 2^242673404977 is an apocalyptic number.

It is an amenable number.

242673404977 is a deficient number, since it is larger than the sum of its proper divisors (1).

242673404977 is an equidigital number, since it uses as much as digits as its factorization.

242673404977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 55.

The spelling of 242673404977 in words is "two hundred forty-two billion, six hundred seventy-three million, four hundred four thousand, nine hundred seventy-seven".